Tormek Extended Universal Support Professional Machine we do recommend using a

we do recommend using a stone holder

Plenty of Clearance

Removes nicks and burrs on skis and snowboards

Soak the flattening stone before use

Easy Sharpening

Tormek Extended Universal Support Professional Machine we do recommend using aSharpen Longer and Wider Tools The Extended Universal Support is for sharpening long or wide tools such as long knives, cleavers and machetes. At 212 mm (8 3 8") tall, the US 430 allows for an additional 57mm (2 1 4") in height adjustment. And at 436 mm (17 1 8") long is grants an additional 130mm (5 1 8") side to side travel. Features the Micro Adjust with scale for setting a precise edge angle and cutting depth. Fits Tormek T 8 T 7 T 4 T 3 and older